There is only one request these young mothers make as they step off a charter bus with no air conditioning on a day when the temperatures hit 100 in Los Angeles.Please, don't use their last name.You don't ask why because you already know the answer. For some, it's to avoid the stigma that comes with homelessness -- as if it were in their power to simply wave a wand an end it by taking a decent paying job that isn't there for them.